DISPERSION CHARACTERISTICS OF LIQUID IN GAS-LIQUID-SOLID THREE PHASE RISERS

韩社教; 周俭; 杨卫国; 金涌; 汪展文

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DISPERSION CHARACTERISTICS OF LIQUID IN GAS-LIQUID-SOLID THREE PHASE RISERS

更新时间：2025-12-16

- DISPERSION CHARACTERISTICS OF LIQUID IN GAS-LIQUID-SOLID THREE PHASE RISERS
- CIESC Journal Issue 4, (1997)
- 作者机构：
  
  清华大学化工系,清华大学化工系,清华大学化工系,清华大学化工系,清华大学化工系北京 100084,北京 100084,北京 100084,北京 100084,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q026
- Online First：25 August 1997，
  
  Published：25 August 1997
- 稿件说明：
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韩社教, 周俭, 杨卫国, et al. DISPERSION CHARACTERISTICS OF LIQUID IN GAS-LIQUID-SOLID THREE PHASE RISERS[J]. CIESC Journal, 1997, (4).
DOI：

韩社教, 周俭, 杨卫国, et al. DISPERSION CHARACTERISTICS OF LIQUID IN GAS-LIQUID-SOLID THREE PHASE RISERS[J]. CIESC Journal, 1997, (4). DOI：

摘要

对气液固三相提升管内液相扩散行为进行了实验研究

考察了气速、液速以及颗粒循环量等操作因素对液相扩散系数的影响规律.实验研究结果表明

轴向、径向扩散系数随气速的增大均增大;轴向扩散系数随液速的变化基本保持不变

径向扩散系数随液速的增大而减小;轴向、径向扩散系数随颗粒循环量的增大均增大.与传统的气液固三相流化床相比

气液固三相提升管反应器更接近理想的平推流反应器.

Abstract

Liquid dispersion was experimentally studied in the gas-liquid-solid three phase riser. The effects of operating factors

such as gas velocity

liquid velocity and solids circulation rate

on axial and radial dispersion coefficients of liquid were determined. Axial and radial dispersion coefficients of liquid increase with the increase of gas velocity; axial dispersion coefficients of liquid remains constant

but radial dispersion coefficients of liquid decrease with respect to liquid velocity. Axial and radial dispersion coefficients of liquid increase with solids circulation rate. Compared with the traditional expanded bed

the gas-liquid-solid three phase riser is closer to the plug flow reactor.

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